|Jun14-12, 07:15 PM||#1|
Magnetism of hematites
You have a small, magnetized, cylinder-shaped hematite. The positive pole is on top and the negative pole is on the bottom. You took a laser to carve a new, smaller cylinder. After you're done carving, you are left with a smaller cylinder and a ring.
Here are my questions:
Will the laser mess with the poles?
If it doesn't mess with the poles, what would happen it you pickup the small cylinder now?
|Jun15-12, 03:34 PM||#2|
As long as the hematite isn't heated past a certain point it should retain it's magnetism after being carved. Both the cylinder and ring should still be magnetic with the poles aligned in the same direction.
|Jun16-12, 12:42 AM||#3|
Would it be possibly safe to use a laser without the magnetism being lost?
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